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Finding the Fourth Proportional to 14,710.41, 20,300.21 and 10,950.39

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Solution

The fourth proportional to 14,710.41, 20,300.21 and 10,950.39 is: 15,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.41 : 20,300.21 = 10,950.39 : x
  2. Step 2: Convert to fraction form
    14,710.41/20,300.21 = 10,950.39/x
  3. Step 3: Cross multiply
    14,710.41x = 20,300.21 × 10,950.39
  4. Step 4: Simplify right side
    14,710.41x = 222,295,060.33
  5. Step 5: Solve for x
    x = 222,295,060.33/14,710.41
  6. Step 6: Final answer
    x = 15,111.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.